<template>
    <div>
        <el-row>
            <el-col :span="21"><el-input v-model="input" placeholder="请输入新任务" @keydown.enter="add()"/></el-col>
            <el-col :span="3"><el-button type="success" @click="add()">添加任务</el-button></el-col>
        </el-row>
    </div>
</template>

<script>
export default{
    data(){
        return{
            input:''
        }
    },
    methods: {
        add(){
            if(this.input == ''){
                alert('请输入待办事项！')
            }else(
                this.$emit('add',this.input),
                this.input = ''
            )
           
            
        }
    },
}
</script>
